jobiqo-cl
Version:
[](https://circleci.com/gh/jobiqo/jobiqo-cl)
81 lines (78 loc) • 2.58 kB
JavaScript
import { __assign } from '../../../tslib/tslib.es6.js';
function ItoI(a) {
return a;
}
function innerCreateMedium(defaults, middleware) {
if (middleware === void 0) { middleware = ItoI; }
var buffer = [];
var assigned = false;
var medium = {
read: function () {
if (assigned) {
throw new Error('Sidecar: could not `read` from an `assigned` medium. `read` could be used only with `useMedium`.');
}
if (buffer.length) {
return buffer[buffer.length - 1];
}
return defaults;
},
useMedium: function (data) {
var item = middleware(data, assigned);
buffer.push(item);
return function () {
buffer = buffer.filter(function (x) { return x !== item; });
};
},
assignSyncMedium: function (cb) {
assigned = true;
while (buffer.length) {
var cbs = buffer;
buffer = [];
cbs.forEach(cb);
}
buffer = {
push: function (x) { return cb(x); },
filter: function () { return buffer; },
};
},
assignMedium: function (cb) {
assigned = true;
var pendingQueue = [];
if (buffer.length) {
var cbs = buffer;
buffer = [];
cbs.forEach(cb);
pendingQueue = buffer;
}
var executeQueue = function () {
var cbs = pendingQueue;
pendingQueue = [];
cbs.forEach(cb);
};
var cycle = function () { return Promise.resolve().then(executeQueue); };
cycle();
buffer = {
push: function (x) {
pendingQueue.push(x);
cycle();
},
filter: function (filter) {
pendingQueue = pendingQueue.filter(filter);
return buffer;
},
};
},
};
return medium;
}
function createMedium(defaults, middleware) {
if (middleware === void 0) { middleware = ItoI; }
return innerCreateMedium(defaults, middleware);
}
function createSidecarMedium(options) {
if (options === void 0) { options = {}; }
var medium = innerCreateMedium(null);
medium.options = __assign({ async: true, ssr: false }, options);
return medium;
}
export { createMedium, createSidecarMedium };